diff --git a/src/main/java/com/api/tokbaro/domain/apns/service/ApnsServiceImpl.java b/src/main/java/com/api/tokbaro/domain/apns/service/ApnsServiceImpl.java
index 5d5cd2c..1bebc0d 100644
--- a/src/main/java/com/api/tokbaro/domain/apns/service/ApnsServiceImpl.java
+++ b/src/main/java/com/api/tokbaro/domain/apns/service/ApnsServiceImpl.java
@@ -4,7 +4,6 @@
 import com.api.tokbaro.domain.apns.web.dto.ApnsRes;
 import com.api.tokbaro.domain.apns.web.dto.StateReq;
 import com.eatthepath.pushy.apns.*;
-import com.eatthepath.pushy.apns.util.SimpleApnsPushNotification;
 import com.eatthepath.pushy.apns.util.TokenUtil;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
diff --git a/src/main/java/com/api/tokbaro/domain/auth/service/AuthService.java b/src/main/java/com/api/tokbaro/domain/auth/service/AuthService.java
index a23884d..e02797e 100644
--- a/src/main/java/com/api/tokbaro/domain/auth/service/AuthService.java
+++ b/src/main/java/com/api/tokbaro/domain/auth/service/AuthService.java
@@ -6,5 +6,5 @@ public interface AuthService {
     SignInUserRes signIn(SignInUserReq signInUserReq);
     AppleLoginRes appleLogin(AppleIdReq appleIdReq);
     SignInUserRes reissue(ReissueReq reissueReq);
-    void logout(Long userId, String token);
+    void logout(Long userId, String authorizationHeader);
 }
diff --git a/src/main/java/com/api/tokbaro/domain/auth/service/AuthServiceImpl.java b/src/main/java/com/api/tokbaro/domain/auth/service/AuthServiceImpl.java
index 7ac660e..8fdc1d1 100644
--- a/src/main/java/com/api/tokbaro/domain/auth/service/AuthServiceImpl.java
+++ b/src/main/java/com/api/tokbaro/domain/auth/service/AuthServiceImpl.java
@@ -1,10 +1,10 @@
 package com.api.tokbaro.domain.auth.service;
 
 import com.api.tokbaro.domain.auth.web.dto.*;
-import com.api.tokbaro.domain.user.entity.Role;
 import com.api.tokbaro.domain.user.entity.User;
 import com.api.tokbaro.domain.user.repository.UserRepository;
 import com.api.tokbaro.domain.user.service.UserService;
+import com.api.tokbaro.global.constant.StaticValue;
 import com.api.tokbaro.global.exception.CustomException;
 import com.api.tokbaro.global.jwt.AppleJwtVerifier;
 import com.api.tokbaro.global.jwt.JwtTokenProvider;
@@ -37,7 +37,6 @@ public class AuthServiceImpl implements AuthService {
     private final AppleJwtVerifier appleJwtVerifier;
     private final UserService userService;
     private final RedisService redisService;
-    private static final String REFRESH_TOKEN_KEY_PREFIX = "RT:";
 
     //일반 로그인
     @Override
@@ -53,7 +52,7 @@ public SignInUserRes signIn(SignInUserReq signInUserReq) {
         User user = userRepository.findById(userPrincipal.getId())
                 .orElseThrow(()->new CustomException(UserErrorResponseCode.USER_NOT_FOUND_404));
 
-        redisService.setValue(REFRESH_TOKEN_KEY_PREFIX + user.getId(), tokens.refreshToken(), Duration.ofMillis(jwtTokenProvider.getRefreshTokenValidity()));
+        redisService.setValue(StaticValue.REFRESH_TOKEN_KEY_PREFIX + user.getId(), tokens.refreshToken(), Duration.ofMillis(jwtTokenProvider.getRefreshTokenValidity()));
         return tokens;
     }
 
@@ -106,7 +105,7 @@ public AppleLoginRes appleLogin(AppleIdReq appleIdReq) {
 
         //accessToken, refresh토큰 생성
         SignInUserRes tokens = jwtTokenProvider.createTokens(authentication);
-        redisService.setValue(REFRESH_TOKEN_KEY_PREFIX + user.getId(), tokens.refreshToken(),
+        redisService.setValue(StaticValue.REFRESH_TOKEN_KEY_PREFIX + user.getId(), tokens.refreshToken(),
                 Duration.ofMillis(jwtTokenProvider.getRefreshTokenValidity()));
         return AppleLoginRes.builder()
                 .grantType(tokens.grantType())
@@ -127,7 +126,7 @@ public SignInUserRes reissue(ReissueReq reissueReq) {
 
         //2. RefreshToken으로 사용자 ID 추출 및 Redis에서 검증
         Long userId = jwtTokenProvider.getUserIdFromToken(reissueReq.getRefreshToken());
-        String storedRefreshToken = redisService.getValue(REFRESH_TOKEN_KEY_PREFIX + userId);
+        String storedRefreshToken = redisService.getValue(StaticValue.REFRESH_TOKEN_KEY_PREFIX + userId);
 
         if(storedRefreshToken == null || !storedRefreshToken.equals(reissueReq.getRefreshToken())){
             throw new CustomException(UserErrorResponseCode.INVALID_REFRESH_TOKEN_401);
@@ -144,7 +143,7 @@ public SignInUserRes reissue(ReissueReq reissueReq) {
                 Collections.singleton(new SimpleGrantedAuthority("ROLE_" + user.getRole().name()))
         );
 
-        redisService.deleteValue(REFRESH_TOKEN_KEY_PREFIX + userId);
+        redisService.deleteValue(StaticValue.REFRESH_TOKEN_KEY_PREFIX + userId);
 
         Authentication authentication = new UsernamePasswordAuthenticationToken(
                 userPrincipal,
@@ -153,7 +152,7 @@ public SignInUserRes reissue(ReissueReq reissueReq) {
 
         //새로운 토큰 생성
         SignInUserRes newTokens = jwtTokenProvider.createTokens(authentication);
-        redisService.setValue(REFRESH_TOKEN_KEY_PREFIX + user.getId(), newTokens.refreshToken(), Duration.ofMillis(jwtTokenProvider.getRefreshTokenValidity()));
+        redisService.setValue(StaticValue.REFRESH_TOKEN_KEY_PREFIX + user.getId(), newTokens.refreshToken(), Duration.ofMillis(jwtTokenProvider.getRefreshTokenValidity()));
 
         return newTokens;
     }
@@ -161,13 +160,15 @@ public SignInUserRes reissue(ReissueReq reissueReq) {
     //로그아웃
     @Override
     @Transactional
-    public void logout(Long userId, String accessToken) {
+    public void logout(Long userId, String authorizationHeader) {
         User user = userRepository.findById(userId)
                 .orElseThrow(()->new CustomException(UserErrorResponseCode.USER_NOT_FOUND_404));
 
         log.info("로그아웃 요청 사용자: {}", user.getUsername());
 
-        redisService.deleteValue(REFRESH_TOKEN_KEY_PREFIX + userId);
+        String accessToken = authorizationHeader.substring(StaticValue.BEARER_PREFIX.length());
+
+        redisService.deleteValue(StaticValue.REFRESH_TOKEN_KEY_PREFIX + userId);
         log.info("Redis에서 사용자 {}의 Refresh Token을 제거 하였습니다.", user.getUsername());
 
         Long expiration = jwtTokenProvider.getExpiration(accessToken);
diff --git a/src/main/java/com/api/tokbaro/domain/auth/web/controller/AuthController.java b/src/main/java/com/api/tokbaro/domain/auth/web/controller/AuthController.java
index 868e387..1ee6e1b 100644
--- a/src/main/java/com/api/tokbaro/domain/auth/web/controller/AuthController.java
+++ b/src/main/java/com/api/tokbaro/domain/auth/web/controller/AuthController.java
@@ -34,8 +34,8 @@ public ResponseEntity<SuccessResponse<?>> signIn(@RequestBody SignInUserReq sign
     @PostMapping("/logout")
     public ResponseEntity<SuccessResponse<?>> logout(@AuthenticationPrincipal UserPrincipal userPrincipal,
                                                      @RequestHeader("Authorization")String authorizationHeader) {
-        String accessToken = authorizationHeader.substring(JwtExtractor.BEARER_PREFIX.length());
-        authService.logout(userPrincipal.getId(),accessToken);
+
+        authService.logout(userPrincipal.getId(),authorizationHeader);
         return ResponseEntity
                 .status(HttpStatus.OK)
                 .body(SuccessResponse.emptyCustom("로그아웃에 성공하였습니다."));
diff --git a/src/main/java/com/api/tokbaro/domain/content/service/ContentDataService.java b/src/main/java/com/api/tokbaro/domain/content/service/ContentDataService.java
index 95755ab..2a1f4b0 100644
--- a/src/main/java/com/api/tokbaro/domain/content/service/ContentDataService.java
+++ b/src/main/java/com/api/tokbaro/domain/content/service/ContentDataService.java
@@ -5,7 +5,6 @@
 import com.api.tokbaro.domain.apns.web.dto.StateReq;
 import com.api.tokbaro.domain.content.web.dto.ReactionReq;
 import com.api.tokbaro.domain.content.web.dto.ReactionVelocityRes;
-import com.api.tokbaro.global.jwt.UserPrincipal;
 
 import java.util.List;
 
diff --git a/src/main/java/com/api/tokbaro/domain/user/service/UserService.java b/src/main/java/com/api/tokbaro/domain/user/service/UserService.java
index c41f493..5156d22 100644
--- a/src/main/java/com/api/tokbaro/domain/user/service/UserService.java
+++ b/src/main/java/com/api/tokbaro/domain/user/service/UserService.java
@@ -12,5 +12,5 @@ public interface UserService {
 
     MyInfoRes getMyInfo(Long userId);
 
-    void deleteUser(Long userId, String accessToken);
+    void deleteUser(Long userId, String authorizationHeader);
 }
diff --git a/src/main/java/com/api/tokbaro/domain/user/service/UserServiceImpl.java b/src/main/java/com/api/tokbaro/domain/user/service/UserServiceImpl.java
index 4458100..b9c0605 100644
--- a/src/main/java/com/api/tokbaro/domain/user/service/UserServiceImpl.java
+++ b/src/main/java/com/api/tokbaro/domain/user/service/UserServiceImpl.java
@@ -1,14 +1,10 @@
 package com.api.tokbaro.domain.user.service;
 
-import com.api.tokbaro.domain.apns.service.ApnsService;
-import com.api.tokbaro.domain.apns.web.dto.ApnsRes;
-import com.api.tokbaro.domain.apns.web.dto.StateReq;
-import com.api.tokbaro.domain.content.entity.ContentData;
-import com.api.tokbaro.domain.content.repository.ContentDataRepository;
 import com.api.tokbaro.domain.user.entity.Role;
 import com.api.tokbaro.domain.user.entity.User;
 import com.api.tokbaro.domain.user.repository.UserRepository;
 import com.api.tokbaro.domain.user.web.dto.*;
+import com.api.tokbaro.global.constant.StaticValue;
 import com.api.tokbaro.global.exception.CustomException;
 import com.api.tokbaro.global.jwt.JwtTokenProvider;
 import com.api.tokbaro.global.redis.RedisService;
@@ -27,8 +23,6 @@ public class UserServiceImpl implements UserService {
 
     private final UserRepository userRepository;
     private final PasswordEncoder passwordEncoder;
-    private final ContentDataRepository contentDataRepository;
-    private final ApnsService apnsService;
     private final JwtTokenProvider jwtTokenProvider;
     private final RedisService redisService;
 
@@ -82,14 +76,17 @@ public MyInfoRes getMyInfo(Long userId) {
 
     @Override
     @Transactional
-    public void deleteUser(Long userId, String accessToken) {
+    public void deleteUser(Long userId, String authorizationHeader) {
         User user = userRepository.findById(userId)
                 .orElseThrow(() -> new CustomException(UserErrorResponseCode.USER_NOT_FOUND_404));
 
         log.info("회원 탈퇴 요청 사용자 : {}", user.getUsername());
+
+        String accessToken = authorizationHeader.substring(StaticValue.BEARER_PREFIX.length());
+
         Long expiration = jwtTokenProvider.getExpiration(accessToken);
         redisService.addTokenToBlacklist(accessToken, expiration);
-        redisService.deleteValue("RT:" + user.getId());
+        redisService.deleteValue(StaticValue.REFRESH_TOKEN_KEY_PREFIX + user.getId());
         log.info("액세스 토큰이 블랙리스트에 추가 되었습니다. (만료시간 : {}초)", expiration);
 
         userRepository.delete(user);
diff --git a/src/main/java/com/api/tokbaro/domain/user/web/controller/UserController.java b/src/main/java/com/api/tokbaro/domain/user/web/controller/UserController.java
index 3c75b23..47baa11 100644
--- a/src/main/java/com/api/tokbaro/domain/user/web/controller/UserController.java
+++ b/src/main/java/com/api/tokbaro/domain/user/web/controller/UserController.java
@@ -3,19 +3,13 @@
 import com.api.tokbaro.domain.user.service.UserService;
 import com.api.tokbaro.domain.user.web.dto.*;
 import com.api.tokbaro.global.jwt.JwtExtractor;
-import com.api.tokbaro.global.jwt.JwtTokenProvider;
 import com.api.tokbaro.global.jwt.UserPrincipal;
 import com.api.tokbaro.global.response.SuccessResponse;
-import jakarta.servlet.http.HttpServletRequest;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
-import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
-import org.springframework.security.core.Authentication;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
-import org.springframework.security.core.parameters.P;
 import org.springframework.web.bind.annotation.*;
 
 @RestController
@@ -25,7 +19,6 @@
 public class UserController {
 
     private final UserService userService;
-    private final JwtExtractor jwtExtractor;
 
     //회원가입
     @PostMapping("/users")
@@ -49,8 +42,7 @@ public ResponseEntity<SuccessResponse<?>> getMyInfo(@AuthenticationPrincipal Use
     @DeleteMapping("/users")
     public ResponseEntity<SuccessResponse<?>> deleteUser(@AuthenticationPrincipal UserPrincipal userPrincipal,
                                                          @RequestHeader("Authorization")String authorizationHeader){
-        String accessToken = authorizationHeader.substring(JwtExtractor.BEARER_PREFIX.length());
-        userService.deleteUser(userPrincipal.getId(), accessToken);
+        userService.deleteUser(userPrincipal.getId(), authorizationHeader);
         return ResponseEntity
                 .status(HttpStatus.OK)
                 .body(SuccessResponse.okCustom(null,"회원탈퇴에 성공하였습니다"));
diff --git a/src/main/java/com/api/tokbaro/global/constant/StaticValue.java b/src/main/java/com/api/tokbaro/global/constant/StaticValue.java
index e62d7ce..251a940 100644
--- a/src/main/java/com/api/tokbaro/global/constant/StaticValue.java
+++ b/src/main/java/com/api/tokbaro/global/constant/StaticValue.java
@@ -13,4 +13,10 @@ public class StaticValue { // 공통 응답 enum 정의 클래스
     public static final int METHOD_NOT_ALLOWED = 405;       // 허용되지 않는 메서드
     public static final int CONFLICT = 409;                 // 충돌 발생
     public static final int INTERNAL_SERVER_ERROR = 500;    // 서버 내부 오류
+
+    //JWT and Security Constants
+    public static final String AUTHORIZATION_HEADER = "Authorization";
+    public static final String BEARER_PREFIX = "Bearer ";
+    public static final String ID_CLAIM_KEY = "id";
+    public static final String REFRESH_TOKEN_KEY_PREFIX = "RT:";
 }
diff --git a/src/main/java/com/api/tokbaro/global/jwt/JwtExtractor.java b/src/main/java/com/api/tokbaro/global/jwt/JwtExtractor.java
index 03bb124..ff18472 100644
--- a/src/main/java/com/api/tokbaro/global/jwt/JwtExtractor.java
+++ b/src/main/java/com/api/tokbaro/global/jwt/JwtExtractor.java
@@ -1,5 +1,6 @@
 package com.api.tokbaro.global.jwt;
 
+import com.api.tokbaro.global.constant.StaticValue;
 import jakarta.servlet.http.HttpServletRequest;
 import org.springframework.stereotype.Component;
 import org.springframework.util.StringUtils;
@@ -7,13 +8,10 @@
 @Component
 public class JwtExtractor {
 
-    public static final String AUTHORIZATION_HEADER = "Authorization";
-    public static final String BEARER_PREFIX = "Bearer ";
-
     public String extractAccessToken(HttpServletRequest request) {
-        String bearerToken = request.getHeader(AUTHORIZATION_HEADER);
-        if(StringUtils.hasText(bearerToken) && bearerToken.startsWith(BEARER_PREFIX)) {
-            return bearerToken.substring(BEARER_PREFIX.length());
+        String bearerToken = request.getHeader(StaticValue.AUTHORIZATION_HEADER);
+        if(StringUtils.hasText(bearerToken) && bearerToken.startsWith(StaticValue.BEARER_PREFIX)) {
+            return bearerToken.substring(StaticValue.BEARER_PREFIX.length());
         }
         return null;
     }
diff --git a/src/main/java/com/api/tokbaro/global/jwt/JwtTokenProvider.java b/src/main/java/com/api/tokbaro/global/jwt/JwtTokenProvider.java
index aedb3ce..22f9bf1 100644
--- a/src/main/java/com/api/tokbaro/global/jwt/JwtTokenProvider.java
+++ b/src/main/java/com/api/tokbaro/global/jwt/JwtTokenProvider.java
@@ -111,13 +111,13 @@ public boolean validateToken(String token){
                     .parseClaimsJws(token);
             return true;
         } catch (io.jsonwebtoken.security.SignatureException | MalformedJwtException e){
-            logger.info("잘못된 JWT 서명입니다.");
+            logger.warn("잘못된 JWT 서명입니다.");
         } catch (ExpiredJwtException e){
-            logger.info("만료된 JWT 토큰입니다.");
+            logger.warn("만료된 JWT 토큰입니다.");
         } catch (UnsupportedJwtException e){
-            logger.info("지원되지 않는 JWT 토큰입니다.");
+            logger.warn("지원되지 않는 JWT 토큰입니다.");
         } catch (IllegalArgumentException e){
-            logger.info("JWT 토큰이 잘못되었습니다.");
+            logger.warn("JWT 토큰이 잘못되었습니다.");
         }
         return false;
     }
diff --git a/src/main/resources/application-local.properties b/src/main/resources/application-local.properties
deleted file mode 100644
index 6c9e2af..0000000
--- a/src/main/resources/application-local.properties
+++ /dev/null
@@ -1,33 +0,0 @@
-spring.application.name=Tokbaro
-
-
-logging.level.com.api.tokbaro=DEBUG
-# Datasource(MySQL)
-spring.datasource.url=${DATABASE_URL}
-spring.datasource.username=${DATABASE_USERNAME}
-spring.datasource.password=${DATABASE_PASSWORD}
-
-# JWT
-security.jwt.secret-key=${JWT_SECRET_KEY}
-security.jwt.access-expiration=${JWT_ACCESS_EXPIRATION}
-security.jwt.refresh-expiration=${JWT_REFRESH_EXPIRATION}
-
-# JPA
-spring.jpa.hibernate.ddl-auto=update
-spring.jpa.show-sql=false
-spring.jpa.properties.hibernate.format_sql=false
-spring.jpa.properties.hibernate.use_sql_comments=false
-spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL8Dialect
-
-#apns
-apns.team-id=${APNS_TEAM_ID}
-apns.key-id=${APNS_KEY_ID}
-apns.bundle-id=${APNS_BUNDLE_ID}
-apns.p8-file-path=${APNS_P8_FILE}
-
-#apple Login
-apple.client-id=${APPLE_CLIENT_ID}
-
-#Redis
-spring.data.redis.host=${REDIS_HOST}
-spring.data.redis.port=${REDIS_PORT}
\ No newline at end of file